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Vinod Kould927fda2011-01-04 20:16:32 +05301/*
2 * sst_platform.h - Intel MID Platform driver header file
3 *
4 * Copyright (C) 2010 Intel Corp
5 * Author: Vinod Koul <vinod.koul@intel.com>
6 * Author: Harsha Priya <priya.harsha@intel.com>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2 of the License.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 *
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 *
24 *
25 */
26
27#ifndef __SST_PLATFORMDRV_H__
28#define __SST_PLATFORMDRV_H__
29
30#define SST_MONO 1
31#define SST_STEREO 2
32#define SST_MAX_CAP 5
33
34#define SST_MIN_RATE 8000
35#define SST_MAX_RATE 48000
36#define SST_MIN_CHANNEL 1
37#define SST_MAX_CHANNEL 5
38#define SST_MAX_BUFFER (800*1024)
39#define SST_MIN_BUFFER (800*1024)
40#define SST_MIN_PERIOD_BYTES 32
41#define SST_MAX_PERIOD_BYTES SST_MAX_BUFFER
42#define SST_MIN_PERIODS 2
43#define SST_MAX_PERIODS (1024*2)
44#define SST_FIFO_SIZE 0
Vinod Koul03c33042011-12-05 19:13:41 +053045#define SST_CODEC_TYPE_PCM 1
Vinod Kould927fda2011-01-04 20:16:32 +053046
Vinod Koul03c33042011-12-05 19:13:41 +053047struct pcm_stream_info {
48 int str_id;
49 void *mad_substream;
50 void (*period_elapsed) (void *mad_substream);
51 unsigned long long buffer_ptr;
52 int sfreq;
Vinod Kould927fda2011-01-04 20:16:32 +053053};
54
55enum sst_drv_status {
56 SST_PLATFORM_INIT = 1,
57 SST_PLATFORM_STARTED,
58 SST_PLATFORM_RUNNING,
59 SST_PLATFORM_PAUSED,
60 SST_PLATFORM_DROPPED,
61};
62
Vinod Koul03c33042011-12-05 19:13:41 +053063enum sst_controls {
64 SST_SND_ALLOC = 0x00,
65 SST_SND_PAUSE = 0x01,
66 SST_SND_RESUME = 0x02,
67 SST_SND_DROP = 0x03,
68 SST_SND_FREE = 0x04,
69 SST_SND_BUFFER_POINTER = 0x05,
70 SST_SND_STREAM_INIT = 0x06,
71 SST_SND_START = 0x07,
72 SST_MAX_CONTROLS = 0x07,
73};
74
75enum sst_stream_ops {
76 STREAM_OPS_PLAYBACK = 0,
77 STREAM_OPS_CAPTURE,
78};
79
80enum sst_audio_device_type {
81 SND_SST_DEVICE_HEADSET = 1,
82 SND_SST_DEVICE_IHF,
83 SND_SST_DEVICE_VIBRA,
84 SND_SST_DEVICE_HAPTIC,
85 SND_SST_DEVICE_CAPTURE,
86};
87
88/* PCM Parameters */
89struct sst_pcm_params {
90 u16 codec; /* codec type */
91 u8 num_chan; /* 1=Mono, 2=Stereo */
92 u8 pcm_wd_sz; /* 16/24 - bit*/
93 u32 reserved; /* Bitrate in bits per second */
94 u32 sfreq; /* Sampling rate in Hz */
95 u32 ring_buffer_size;
96 u32 period_count; /* period elapsed in samples*/
97 u32 ring_buffer_addr;
98};
99
100struct sst_stream_params {
101 u32 result;
102 u32 stream_id;
103 u8 codec;
104 u8 ops;
105 u8 stream_type;
106 u8 device_type;
107 struct sst_pcm_params sparams;
108};
109
110struct sst_ops {
111 int (*open) (struct sst_stream_params *str_param);
112 int (*device_control) (int cmd, void *arg);
113 int (*close) (unsigned int str_id);
114};
115
116struct sst_runtime_stream {
117 int stream_status;
118 struct pcm_stream_info stream_info;
119 struct sst_ops *ops;
120 spinlock_t status_lock;
121};
122
123struct sst_device {
124 char *name;
125 struct device *dev;
126 struct sst_ops *ops;
127};
128
129int sst_register_dsp(struct sst_device *sst);
130int sst_unregister_dsp(struct sst_device *sst);
Vinod Kould927fda2011-01-04 20:16:32 +0530131#endif